-
River EcoClassification Manual for EcoStatus Determination
The DWS River EcoClassification system provides a standardised framework for determining the Present Ecological State (PES) and Ecological Importance & Sensitivity (EIS) of... -
Fish Survey Field Data Collection Form
Field data collection form for freshwater fish surveys. Records site information (GPS coordinates, river name, reach characteristics), sampling methodology (electrofishing,... -
Module D: Fish Response Assessment Index (FRAI)
The standard protocol for fish-based river health assessment in South Africa, developed as part of the River Ecoclassification system. The Fish Response Assessment Index (FRAI)...